.bread{ width:100%; height: 40px; background: #f7f7f7;}
.bread h6{ line-height: 40px; color:#999; width: 1200px; margin: 0 auto; }


/* 电子书begin */
.ebook{width:1200px; margin: 0 auto;}
.ebook h5{ font-size: 18px; margin: 30px 0;}
.ebook .ppt{margin-left: 166px; height: 650px; width: 867px;}
.ebook ul{margin: 10px 0; clear:both; overflow:hidden;}
.ebook ul li{float: left;}
.ebook ul li.one img{width: 32px; height: 42px; margin-left: 500px; cursor:pointer;}
.ebook ul li.two{font-size:16px; width: 30px; height: 30px; line-height: 30px; text-align: center; background: #ccc; margin: 6px 10px 0 30px;cursor:pointer;}
.ebook ul li.three{font-size:16px; margin: 10px;}
.ebook ul li.four img{width: 32px; height: 42px; margin-left: 30px;cursor:pointer;}

.ebook .slide-btn {position:absolute;display:block; width: 80px; height: 80px; border-radius:40px;background:rgba(255,255,255,0.3);top:50%; margin-top:-40px; }
.ebook .slide-btn img{margin: 25px 32px;}
.ebook .left{ left:288px;}
.ebook .right{right:288px;}
/* 电子书over */